00639nam a2200169 a 450000100080000000500110000800800410001910000180006024500880007826001900016630000140035665000210037065000170039165300240040870000170043270000200044914907622018-05-25       2007    bl uuuu     u00u1 u    #d1 aCOELHO, A. M.  aAssessing degradation of soils cultivated to irrigated corn.h[electronic resource]  aIn: CONGRESSO BRASILEIRO DE CIENCIA DO SOLO, 31., 2007, Gramado. Conquistas e desafios da ciência do solo brasileira: livro de resumos... Porto Alegre: UFRGS: SBCS, 2007. p. 336.c2007  c1 CD-ROM.  asoil degradation  asoil quality  aSpatial variability1 aDORAN, J. W.1 aSCHEPERS. J. S.